/**
* Initialize the server stats structure
*
* If we do not specify a watchnet, then we have no use for this
* structure
*
* @param ssp server stats structure to initialize
* @param watchnet what network we're watching for information
* @param rows how many rows the underlying table should use
* @param memcap what our total memory limit is
*
* @return FLOW_SUCCESS on success
*/
int server_stats_init(SERVER_STATS *ssp, IPSET *watchnetv4,
unsigned int rows, int memcap)
{
if(!ssp || !watchnetv4)
return FLOW_ENULL;
server_stats_init_entry();
memset(ssp, 0, sizeof(SERVER_STATS));
if(ipset_family(watchnetv4) != IPV4_FAMILY)
{
return FLOW_EINVALID;
}
/* what size should we do? */
ssp->ipv4_table = sfxhash_new(rows, /* # of rows in HT*/
sizeof(SERVER_KEY), /* size of the key */
sizeof(u_int32_t), /* data size */
memcap, /* how much memory is alloted */
1, /* auto recover nodes */
NULL, /* autorecovery function */
NULL, /* free function for the data */
1); /* recycle old nodes */
if(ssp->ipv4_table == NULL)
{
return FLOW_ENOMEM;
}
ssp->ipv4_watch = ipset_copy(watchnetv4);
if(!ssp->ipv4_watch)
{
sfxhash_delete(ssp->ipv4_table);
return FLOW_ENOMEM;
}
return FLOW_SUCCESS;
}
IPSET * ipset_copy( IPSET *ipsp )
{
int family;
IPSET * newset = NULL;
CIDRBLOCK *cbp;
CIDRBLOCK6 *cbp6;
if(ipsp)
{
family = ipset_family( ipsp );
newset = ipset_new(family) ;
if( family == IPV4_FAMILY )
{
for(cbp =(CIDRBLOCK*)sflist_first( &ipsp->cidr_list );
cbp !=NULL;
cbp =(CIDRBLOCK*)sflist_next( &ipsp->cidr_list ) )
{
ipset_add(newset, &cbp->ip, &cbp->mask, &cbp->portset, cbp->notflag, family);
}
}
else
{
for(cbp6 =(CIDRBLOCK6*)sflist_first( &ipsp->cidr_list );
cbp6 !=NULL;
cbp6 =(CIDRBLOCK6*)sflist_next( &ipsp->cidr_list ) )
{
ipset_add(newset, &cbp6->ip, &cbp6->mask, &cbp6->portset, cbp6->notflag, family);
}
}
}
return newset;
}